import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/login.vue'
import Home from '../components/home.vue'

Vue.use(VueRouter)

const routes = [
    { path: '/', redirect: '/Login' },
    { path: '/Login', component: Login },
    { path: '/home', component: Home }
]
const router = new VueRouter({
  routes
})
router.beforeEach((to, from, next) => {
  // ${//to and from are Route Object,next() must be called to resolve the hook}
  if( to.path === '/login' ) return next()
  const tokenStr =   window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})

export default router
